Gemstone



FIG. 1 is a top plan view of a gemstone showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side view thereof, the left side view being a mirror image thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top, left side perspective view thereof;

FIG. 7 is a top, right side perspective view thereof;

FIG. 8 is a bottom, left side perspective view thereof; and,

FIG. 9 is a bottom, right side perspective view thereof. 

CLAIM I claim the ornamental design for a gemstone, as shown and described. 